I'm playing on a very old Yamaha YBL bass trombone. Back when I played tenor I had very good tone quality, but now in the notes above the staff I'm getting a very sharp tone. Is there anything I can ...

I have been playing bass trombone for about a year, and my problem is not positions or intonation, or air, but how to get a good big band (jazz band) bass trombone sound? I mean I listen to jazz bass ...

I need advices to play between B♭1 and B♭2 on bass trombone with two valves.
I come from tenor trombone (only one valve) and already have position chart. What I would like is how to efficiently move ...